Based on this product's specifications, here are some alternatives and similar models
Thermal base layer set Odlo Fundamentals Performance Warm Set Long — dark sapphire, size M
Summary description:
Odlo Fundamentals Performance Warm Set Long is a thermal base layer set in dark sapphire, size M, designed to provide insulation and moisture management during cold-weather activities. The set includes long top and long bottoms engineered for layering under outerwear, suitable for outdoor sports, hiking and everyday cold protection where warmth and comfort are required.